It’s only 2019 and the presidential primary campaign is gearing up quickly.Over a dozen Democrats have either declared candidacies for president or have begun de facto campaigns with the establishment of presidential exploratory committees, which has no legal distinction from a campaign committee under federal election law.Others have said they are considering running and have been holding campaign-style events throughout the country, including in early voting states such as New Hampshire and Iowa.Meanwhile, President Donald Trump is the only Republican to have said that he intends to run in 2020, although some others, most prominently former Massachusetts Gov. William Weld, and possibly former Ohio Gov. John Kasich have said they are thinking about challenging him for the GOP nomination. Kasich has also not ruled out a run as an independent, third-party candidate.Former Starbucks CEO Howard Schultz has indicated he is considering running as an independent.Democrats who are runningKirsten Gillibrand (D) - DeclaredU.S. Sen. Kirsten Gillibrand, 52, officially jumped in the 2020 presidential race on March 17 by declaring her candidacy with a campaign video titled "Brave Wins." Gillibrand was appointed to the U.S. Senate in 2009 after Hillary Clinton resigned to become Secretary of State and was elected in 2010 and 2016.Beto O'Rourke (D) - Declared Beto O'Rourke announced March 14 he is running for president, entering the 2020 race with a call for Americans to look past their differences in order to confront the challenges facing the country."This is a defining moment of truth for this country and for every single one of us," the 46-year-old Democratic former congressman from Texas said in a video announcing his candidacy. "The challenges that we face right now, the interconnected crises in our economy, our democracy and our climate have never been greater.""They will either consume us, or they will afford us the greatest opportunity to unleash the genius of the United States of America," he added.O'Rourke, who is starting a three-day swing through eastern Iowa on Thursday, said he will hold a kick-off rally for his campaign in El Paso, Texas, on March 30.John Hickenlooper (D) - DeclaredFormer Colorado Gov. John Hickenlooper announced he is running for president, launching a 2020 campaign in which he will lean on his Western roots and decades of executive experience.He made the announcement in a video titled "Standing Tall," which tracks Hickenlooper's life from laid-off geologist, to owner of a brew pub, to mayor of Denver and to governor, and touts the Democrat's experience in a variety of fields as a key reason he should be the person to take on President Donald Trump in 2020. Hickenlooper casts the president as a "bully" in the more than two-minute video."I'm running for president because we're facing a crisis that threatens everything we stand for," Hickenlooper says in the video as images of Trump play. "As a skinny kid with coke bottle glasses and a funny last name, I've stood up to my fair share of bullies."He adds: "I'm running for president because we need dreamers in Washington but we also need to get things done. I've proven again and again I can bring people together to produce the progressive change Washington has failed to deliver."Jay Inslee (D) - DeclaredWashington Gov. Jay Inslee will seek the 2020 Democratic presidential nomination, mixing calls for combating climate change and highlights of his liberal record with an aggressive critique of President Donald Trump.The 68-year-old governor is launching his bid Friday in Seattle, following recent visits to the first primary state of New Hampshire and the early caucus state of Nevada.Bernie Sanders (D) - DeclaredU.S. Sen. Bernie Sanders, 77, of Vermont, has announced a second run for president. He won the New Hampshire Democratic presidential primary in 2016 with 60 percent of the vote to 38 percent for eventual party nominee Hillary Clinton. Cory Booker (D) - DeclaredU.S. Sen. Cory Booker, 49, is in his first full term representing New Jersey after winning a special election in 2013 following the death of U.S. Sen. Frank Lautenberg. Booker previously served as the mayor of Newark, New Jersey from 2006-2013.Pete Buttigieg (D) - Exploratory Committee LaunchedPete Buttigieg, 37, mayor of South Bend, Indiana, and the former Indiana state treasurer announced on Jan. 23 that he has formed an exploratory committee in order to run for president. He is an Afghan war veteran and Rhodes scholar who was first elected mayor in 2011, at age 29. He ran unsuccessfully for Democratic National Committee Chairman in 2017.Julián Castro (D) - DeclaredJulian Castro, 44, is a former U.S. Housing and Urban Development during the Barack Obama administration and former mayor of San Antonio, Texas. In 2012, Castro was the first Latino-American to deliver the keynote address to the Democratic National Convention.John Delaney (D) - DeclaredFormer U.S. Rep. John Delaney, 55, of Maryland became the first Democrat to formally declare a 2020 candidacy for president in July 2017. Delaney co-founded health care and financial companies and served in the U.S. House from 2013 until early January 2019.Tulsi Gabbard (D) - DeclaredU.S. Rep. Tulsi Gabbard, 37, of Hawaii has served in the U.S. House since 2013. She made her candidacy official in an announcement earlier this month. Gabbard is a member of the House Foreign Affairs and Armed Services Committees.Kamala Harris (D) - DeclaredU.S. Sen. Kamala Harris, 54, of California, announced on Jan. 21 that she is a candidate for president, skipping the step of forming an exploratory committee. Harris is a former California attorney general and was elected to the Senate in 2016.Amy Klobuchar (D) - DeclaredU.S. Sen. Amy Klobuchar, 58, of Minnesota, announced her candidacy on Feb. 10. She is serving her third term. She serves on the Senate Judiciary, Rules, Agriculture and Commerce committees.Elizabeth Warren (D) - DeclaredU.S. Sen. Elizabeth Warren, 69, of Massachusetts, first announced on Dec. 31 that she was forming a presidential exploratory committee. Then, on Feb. 9, Warren officially announced her candidacy for president. Warren has focused on improving conditions for working people as the centerpiece of her campaign.Marianne Williamson (D) - DeclaredMarianne Williamson, 66, is an author and lecturer who is running for president. Considered a spiritual counselor for Oprah Winfrey, Williamson visited New Hampshire in early January.Andrew Yang (D) - DeclaredAndrew Yang, 44, is an entrepreneur who announced his candidacy for president in the spring of 2018. Yang recently promised to give the Fassi family of New Hampshire $1,000-a-month to launch what he calls his “Freedom Dividend.” He believes the federal government should provide everyone with a “Universal Basic Income.”Republicans running for PresidentDonald Trump (R) - DeclaredDonald J. Trump, 45th president of the United States, is running for re-election. Trump won the 2016 first-in-the-nation primary by a 35-percent to 16-percent margin over former Ohio Gov. John Kasich, while other candidates trailed far behind. Trump then narrowly lost New Hampshire general election to Hillary Clinton. Her margin of victory in the Granite State was 2,700 votes out of about 750,000 votes cast.William Weld (R) - Formed exploratory committeeFormer Massachusetts Gov. William Weld, 73, is strongly considering running for president as a Republican, taking on President Donald Trump for his party’s nomination. Weld has said formally announced an exploratory committee on Feb. 15 at the New Hampshire Institute of Politics. Weld in 2016 was the vice presidential nominee of the Libertarian Party, running with presidential nominee Gary Johnson.Democrats considering a runMichael Bennet (D)U.S. Sen. Michael Bennet, 54, serving second term representing Colorado, serves on the Senate Finance, Agriculture and Health, Education, Labor, and Pensions committees. Steve Bullock (D)Gov. Steve Bullock, 52, of Montana, is in his second term as Montana’s chief executive after serving as his state’s attorney general. Bullock is currently chairman of the National Governors Association.Bill DeBlasio (D)New York City Mayor Bill DeBlasio, 57, is serving in his second term as chief executive of the nation’s largest city. He has said he is considering running for president and scheduled a visit to New Hampshire for Feb. 15. Before being elected mayor in 2013, DeBlasio was elected to three two-year terms on the New York City Council and a term as New York City Public Advocate. DeBlasio was born in Manhattan but was brought up in Cambridge, Massachusetts. John Kerry (D)John Kerry, 75, is a former U.S. Secretary of State and former U.S. Senator and was the 2004 Democratic presidential nominee. Kerry said as recently as late November that he was considering running for president again in 2020.Mitch Landrieu (D)New Orleans Mayor Mitch Landrieu, 58, was elected in 2006 and re-elected in 2010. He received national attention by ordering Confederate statues removed from the city, but in recent months has downplayed suggestions that he has presidential ambitions.Terry McAuliffe (D)Former Virginia Gov. Terry McAuliffe, 61, is a longtime Democratic operative who was a major fundraiser and friend of former President Bill Clinton and Hillary Clinton. McAuliffe was chair of the Democratic National Committee from 2001-2005 and co-chaired Hillary Clinton’s 2008 presidential campaign and was elected governor in 2013. Seth Moulton (D)U.S. Rep. Seth Moulton, 40, is in his second term representing the 6th Congressional District in Massachusetts. A Marine Corps veteran, Moulton is viewed as a moderate Democrat. He campaigned in New Hampshire last year for fellow veteran Maura Sullivan, who was a candidate for New Hampshire’s 1st Congressional District seat. Tim Ryan (D)U.S. Rep. Tim Ryan, 45, is serving in his ninth term in the U.S. House representing Northeastern Ohio. Ryan unsuccessfully challenged Rep. Nancy Pelosi for U.S. House Minority Leader in 2017 and briefly considered challenging her again this year for U.S. House Speaker, but decided against it. Eric Swalwell (D)U.S. Rep. Eric Swalwell, 38, is in his fourth term representing California’s 15th Congressional District and a member of the House Intelligence and Judiciary committees. He has visited New Hampshire often, most recently on Jan. 31 and said he will soon announce his plans.Others considering a runMark Cuban (I)Mark Cuban, 49, of Texas, is an investor, entrepreneur and owner of the Dallas Mavericks National Basketball Association team. He has said it would be “bad parenting” to run for president but has not ruled it out and has said if he runs, he would probably do so as an independent.Larry Hogan (R)Maryland Gov. Larry Hogan, 62, a Republican, was elected to his second term in November and has not ruled our a run for president, although he has taken no steps to indicate he is mounting a campaign. Hogan has been critical of President Donald Trump, particularly on the recent government shutdown, and is viewed as a centrist, moderate politician.John Kasich (R)Former Ohio Gov. John Kasich, 66, finished second to President Donald Trump in the 2016 New Hampshire presidential primary and in the overall nomination race. Kasich has been highly critical of Trump and has said that he is considering whether to challenge the incumbent for the GOP presidential nomination, run as an independent or not run at all. Kasich recently signed on as a political commentator with CNN, which is viewed as a sign that he will not run.Howard Schultz (I)Howard Schultz, 65, the former chief executive officer of Starbucks, is a self-described lifelong Democrat but has said in recent weeks that he is strongly considering running for president as an independent.

It’s only 2019 and the presidential primary campaign is gearing up quickly.

Over a dozen Democrats have either declared candidacies for president or have begun de facto campaigns with the establishment of presidential exploratory committees, which has no legal distinction from a campaign committee under federal election law.

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Others have said they are considering running and have been holding campaign-style events throughout the country, including in early voting states such as New Hampshire and Iowa.

Meanwhile, President Donald Trump is the only Republican to have said that he intends to run in 2020, although some others, most prominently former Massachusetts Gov. William Weld, and possibly former Ohio Gov. John Kasich have said they are thinking about challenging him for the GOP nomination. Kasich has also not ruled out a run as an independent, third-party candidate.

Former Starbucks CEO Howard Schultz has indicated he is considering running as an independent.

Democrats who are running

Kirsten Gillibrand (D) - Declared

APAP Photo/Mary Altaffer

U.S. Sen. Kirsten Gillibrand, 52, officially jumped in the 2020 presidential race on March 17 by declaring her candidacy with a campaign video titled "Brave Wins." Gillibrand was appointed to the U.S. Senate in 2009 after Hillary Clinton resigned to become Secretary of State and was elected in 2010 and 2016.

Beto O'Rourke (D) - Declared

Beto O'Rourke announced March 14 he is running for president, entering the 2020 race with a call for Americans to look past their differences in order to confront the challenges facing the country.

"This is a defining moment of truth for this country and for every single one of us," the 46-year-old Democratic former congressman from Texas said in a video announcing his candidacy. "The challenges that we face right now, the interconnected crises in our economy, our democracy and our climate have never been greater."

"They will either consume us, or they will afford us the greatest opportunity to unleash the genius of the United States of America," he added.

O'Rourke, who is starting a three-day swing through eastern Iowa on Thursday, said he will hold a kick-off rally for his campaign in El Paso, Texas, on March 30.

John Hickenlooper (D) - Declared

David Zalubowski

Former Colorado Gov. John Hickenlooper announced he is running for president, launching a 2020 campaign in which he will lean on his Western roots and decades of executive experience.

He made the announcement in a video titled "Standing Tall," which tracks Hickenlooper's life from laid-off geologist, to owner of a brew pub, to mayor of Denver and to governor, and touts the Democrat's experience in a variety of fields as a key reason he should be the person to take on President Donald Trump in 2020. Hickenlooper casts the president as a "bully" in the more than two-minute video.

"I'm running for president because we're facing a crisis that threatens everything we stand for," Hickenlooper says in the video as images of Trump play. "As a skinny kid with coke bottle glasses and a funny last name, I've stood up to my fair share of bullies."

He adds: "I'm running for president because we need dreamers in Washington but we also need to get things done. I've proven again and again I can bring people together to produce the progressive change Washington has failed to deliver."

Jay Inslee (D) - Declared

Washington Gov. Jay Inslee will seek the 2020 Democratic presidential nomination, mixing calls for combating climate change and highlights of his liberal record with an aggressive critique of President Donald Trump.

The 68-year-old governor is launching his bid Friday in Seattle, following recent visits to the first primary state of New Hampshire and the early caucus state of Nevada.

Bernie Sanders (D) - Declared

APAP Photo/Andrew Harnik

U.S. Sen. Bernie Sanders, 77, of Vermont, has announced a second run for president. He won the New Hampshire Democratic presidential primary in 2016 with 60 percent of the vote to 38 percent for eventual party nominee Hillary Clinton.

Cory Booker (D) - Declared

APAP Photo/Charlie Neibergall

U.S. Sen. Cory Booker, 49, is in his first full term representing New Jersey after winning a special election in 2013 following the death of U.S. Sen. Frank Lautenberg. Booker previously served as the mayor of Newark, New Jersey from 2006-2013.

Pete Buttigieg (D) - Exploratory Committee Launched

APAP Photo/Nam Y. Huh

Pete Buttigieg, 37, mayor of South Bend, Indiana, and the former Indiana state treasurer announced on Jan. 23 that he has formed an exploratory committee in order to run for president. He is an Afghan war veteran and Rhodes scholar who was first elected mayor in 2011, at age 29. He ran unsuccessfully for Democratic National Committee Chairman in 2017.

Julián Castro (D) - Declared

APAP Photo/Mary Schwalm

Julian Castro, 44, is a former U.S. Housing and Urban Development during the Barack Obama administration and former mayor of San Antonio, Texas. In 2012, Castro was the first Latino-American to deliver the keynote address to the Democratic National Convention.

John Delaney (D) - Declared

Former U.S. Rep. John Delaney, 55, of Maryland became the first Democrat to formally declare a 2020 candidacy for president in July 2017. Delaney co-founded health care and financial companies and served in the U.S. House from 2013 until early January 2019.

Tulsi Gabbard (D) - Declared

APAP Photo/Marco Garcia

U.S. Rep. Tulsi Gabbard, 37, of Hawaii has served in the U.S. House since 2013. She made her candidacy official in an announcement earlier this month. Gabbard is a member of the House Foreign Affairs and Armed Services Committees.

Kamala Harris (D) - Declared

APAP Photo/Sait Serkan Gurbuz

U.S. Sen. Kamala Harris, 54, of California, announced on Jan. 21 that she is a candidate for president, skipping the step of forming an exploratory committee. Harris is a former California attorney general and was elected to the Senate in 2016.

Amy Klobuchar (D) - Declared

APAP Photo/Jim Mone

U.S. Sen. Amy Klobuchar, 58, of Minnesota, announced her candidacy on Feb. 10. She is serving her third term. She serves on the Senate Judiciary, Rules, Agriculture and Commerce committees.

Elizabeth Warren (D) - Declared

Courtesy Elizabeth Warren

U.S. Sen. Elizabeth Warren, 69, of Massachusetts, first announced on Dec. 31 that she was forming a presidential exploratory committee. Then, on Feb. 9, Warren officially announced her candidacy for president. Warren has focused on improving conditions for working people as the centerpiece of her campaign.

Marianne Williamson (D) - Declared

AP Photo/Amy Harris

Marianne Williamson, 66, is an author and lecturer who is running for president. Considered a spiritual counselor for Oprah Winfrey, Williamson visited New Hampshire in early January.

Andrew Yang (D) - Declared

Andrew Yang, 44, is an entrepreneur who announced his candidacy for president in the spring of 2018. Yang recently promised to give the Fassi family of New Hampshire $1,000-a-month to launch what he calls his “Freedom Dividend.” He believes the federal government should provide everyone with a “Universal Basic Income.”

Republicans running for President

Donald Trump (R) - Declared

APAP Photo/Carolyn Kaster

Donald J. Trump, 45th president of the United States, is running for re-election. Trump won the 2016 first-in-the-nation primary by a 35-percent to 16-percent margin over former Ohio Gov. John Kasich, while other candidates trailed far behind. Trump then narrowly lost New Hampshire general election to Hillary Clinton. Her margin of victory in the Granite State was 2,700 votes out of about 750,000 votes cast.

William Weld (R) - Formed exploratory committee

APAP Photo/Michael Dwyer

Former Massachusetts Gov. William Weld, 73, is strongly considering running for president as a Republican, taking on President Donald Trump for his party’s nomination. Weld has said formally announced an exploratory committee on Feb. 15 at the New Hampshire Institute of Politics. Weld in 2016 was the vice presidential nominee of the Libertarian Party, running with presidential nominee Gary Johnson.

Democrats considering a run

Michael Bennet (D)

APAP Photo/David Zalubowski

U.S. Sen. Michael Bennet, 54, serving second term representing Colorado, serves on the Senate Finance, Agriculture and Health, Education, Labor, and Pensions committees.

Steve Bullock (D)

APAP Photo/Matt Volz

Gov. Steve Bullock, 52, of Montana, is in his second term as Montana’s chief executive after serving as his state’s attorney general. Bullock is currently chairman of the National Governors Association.

Bill DeBlasio (D)

AP Photo/Rich Pedroncelli

New York City Mayor Bill DeBlasio, 57, is serving in his second term as chief executive of the nation’s largest city. He has said he is considering running for president and scheduled a visit to New Hampshire for Feb. 15. Before being elected mayor in 2013, DeBlasio was elected to three two-year terms on the New York City Council and a term as New York City Public Advocate. DeBlasio was born in Manhattan but was brought up in Cambridge, Massachusetts.

John Kerry (D)

APAP Photo/Mary Schwalm

John Kerry, 75, is a former U.S. Secretary of State and former U.S. Senator and was the 2004 Democratic presidential nominee. Kerry said as recently as late November that he was considering running for president again in 2020.

Mitch Landrieu (D)

APAP Photo/Steven Senne

New Orleans Mayor Mitch Landrieu, 58, was elected in 2006 and re-elected in 2010. He received national attention by ordering Confederate statues removed from the city, but in recent months has downplayed suggestions that he has presidential ambitions.

Terry McAuliffe (D)

APAP Photo/Steve Helber

Former Virginia Gov. Terry McAuliffe, 61, is a longtime Democratic operative who was a major fundraiser and friend of former President Bill Clinton and Hillary Clinton. McAuliffe was chair of the Democratic National Committee from 2001-2005 and co-chaired Hillary Clinton’s 2008 presidential campaign and was elected governor in 2013.

Seth Moulton (D)

APAP Photo/J. Scott Applewhite

U.S. Rep. Seth Moulton, 40, is in his second term representing the 6th Congressional District in Massachusetts. A Marine Corps veteran, Moulton is viewed as a moderate Democrat. He campaigned in New Hampshire last year for fellow veteran Maura Sullivan, who was a candidate for New Hampshire’s 1st Congressional District seat.

Tim Ryan (D)

AP Photo/Susan Walsh

U.S. Rep. Tim Ryan, 45, is serving in his ninth term in the U.S. House representing Northeastern Ohio. Ryan unsuccessfully challenged Rep. Nancy Pelosi for U.S. House Minority Leader in 2017 and briefly considered challenging her again this year for U.S. House Speaker, but decided against it.

Eric Swalwell (D)

APAP Photo/Jacquelyn Martin

U.S. Rep. Eric Swalwell, 38, is in his fourth term representing California’s 15th Congressional District and a member of the House Intelligence and Judiciary committees. He has visited New Hampshire often, most recently on Jan. 31 and said he will soon announce his plans.

Others considering a run

Mark Cuban (I)

APAP Photo/Aaron Doster

Mark Cuban, 49, of Texas, is an investor, entrepreneur and owner of the Dallas Mavericks National Basketball Association team. He has said it would be “bad parenting” to run for president but has not ruled it out and has said if he runs, he would probably do so as an independent.

Larry Hogan (R)

APAP Photo/Patrick Semansky

Maryland Gov. Larry Hogan, 62, a Republican, was elected to his second term in November and has not ruled our a run for president, although he has taken no steps to indicate he is mounting a campaign. Hogan has been critical of President Donald Trump, particularly on the recent government shutdown, and is viewed as a centrist, moderate politician.

John Kasich (R)

WMUR

Former Ohio Gov. John Kasich, 66, finished second to President Donald Trump in the 2016 New Hampshire presidential primary and in the overall nomination race. Kasich has been highly critical of Trump and has said that he is considering whether to challenge the incumbent for the GOP presidential nomination, run as an independent or not run at all. Kasich recently signed on as a political commentator with CNN, which is viewed as a sign that he will not run.

Howard Schultz (I)

APAP Photo/Michael Conroy

Howard Schultz, 65, the former chief executive officer of Starbucks, is a self-described lifelong Democrat but has said in recent weeks that he is strongly considering running for president as an independent.